Bottom End

Camshaft - Intake - Stage 2 - Yamaha Hc00125 Yamaha -- YZ 250 F -- (2020, 2019); Yamaha -- YZ 250 FX -- (2020, 2021)

Piston Kit - 87.97 Mm - Gas Gas | Husqvarna | Ktm 24098B KTM -- 350 XC-F -- (2016, 2020, 2021, 2022, 2017, 2018, 2019); KTM -- 350 SX-F -- (2016, 2021, 2020, 2022, 2017, 2019, 2018); KTM -- 350 EXC-F -- (2020, 2021, 2023, 2022); KTM -- 350 XCF-W --...

All pistons are heat-treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeForged pistons are forged from 2618 aluminum for superior...

Piston Kit - 96.93 Mm - Yamaha 23958A Yamaha -- YZ 450 F -- (2017, 2014, 2015, 2016); Yamaha -- YZ 450 FX -- (2017, 2018, 2016); Yamaha -- WR 450 F -- (2017, 2016, 2018)

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity cast aluminum alloy (not...

High-performance racing camshaftsStage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springsIn most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepowerSelect...

Modified to handle upgraded stroker flywheels strokeWorks with all stock and high-performance flywheel assembliesMade in the U.S.A.

Hot Rods has developed six long-stroke applications for ATVsSpecial pistons for TRX400EX, KFX/LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for long-stroke engines KTM -- 250...

Assembly sold complete with Hot Rods connecting rodFactory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performanceReady for installationCrankshaft is completely rebuildable with genuine Hot Rods connecting...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...

Designed with Comp Cams' industry-leading technology and trademark Endurance Ramps, the Mega 8 series of performance cams covers every bike and riding styleWith reduced valve train noise and increased stability, Mega 8 cams deliver everything from broad...

Piston Kit - 96.96 Mm - Yamaha 4086Da Yamaha -- YZ 450 F -- (2023, 2024)